MultiDayPortalOverlayButtonBuilder typedef Appearance
MultiDayPortalOverlayButtonBuilder =
Widget Function(BuildContext context, OverlayPortalController portalController, int numberOfHiddenRows)
The builder used to create the button for the MultiDayPortalOverlayButton.
portalController is the controller for the overlay portal. numberOfHiddenRows is the number of events that are
not displayed because of constraints.
Resolve the style with KalenderTheme.
Implementation
typedef MultiDayPortalOverlayButtonBuilder =
Widget Function(BuildContext context, OverlayPortalController portalController, int numberOfHiddenRows);